Numbers 22:12 (KJV)

And the elders of Moab and the elders of Midian departed with the rewards of divination in their hand; and they came unto Balaam, and spake unto him the words of Balak.

And he said unto them, Lodge here this night, and I will bring you word again, as the LORD shall speak unto me: and the princes of Moab abode with Balaam.

And God came unto Balaam, and said, What men are these with thee?

And Balaam said unto God, Balak the son of Zippor, king of Moab, hath sent unto me, saying,

Behold, there is a people come out of Egypt, which covereth the face of the earth: come now, curse me them; peradventure I shall be able to overcome them, and drive them out.

And Balaam rose up in the morning, and said unto the princes of Balak, Get you into your land: for the LORD refuseth to give me leave to go with you.

And the princes of Moab rose up, and they went unto Balak, and said, Balaam refuseth to come with us.

And Balak sent yet again princes, more, and more honourable than they.

And they came to Balaam, and said to him, Thus saith Balak the son of Zippor, Let nothing, I pray thee, hinder thee from coming unto me:

For I will promote thee unto very great honour, and I will do whatsoever thou sayest unto me: come therefore, I pray thee, curse me this people.